native-view 示例添加提示

pages/component/native-view/native-view.uvue

 <template>
-  <view>
+  <view>
+    <text class="tips">说明：如果本地无 uts 插件编译环境请提交打包自定义基座查看效果</text>
     <native-button class="native-button" style="width: 200px; height: 100px;" :text="buttonText" @buttonTap="ontap"
       @load="onload"></native-button>
     <native-time-picker class="native-time-picker" :hour=2 :minute=3 @changed="onChanged"></native-time-picker>
@@ -38,7 +39,15 @@
   }
 </script>
 
-<style>
+<style>
+
+  .tips {
+    font-size: 14px;
+    color: #BEBEBE;
+    margin: 25px auto 25px auto;
+    text-align: center;
+  }
+
   .native-button {
     height: 100px;
     width: 100px;